That just means that they are at least 19-20 millions extremists on the right side in the US. I am not sure that this is a good thing. There are many smart people on the right, he is not one of them.

Yeah but there are 19-20 million extremists on the left side and about 250 million rational people who are wondering why their government is wasting time arguing with radio talk show host. Do they like having his ratings increase?